Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
-(Table: Trade-off of Study Time and Leisure Time) Look at the table Trade-off of Study Time and Leisure Time. A student sleeps 8 hours per day and divides the remaining time between study time and leisure time. The table shows the combinations of study and leisure time that can be produced in the 16 waking hours of each day. Suppose the student completes a speed-reading course that allows him to do the same amount of studying in half as many hours. His opportunity cost:

A) of leisure has increased.
B) of studying has increased.
C) of leisure has decreased.
D) has not changed.